Home / 855,755.07-1,180,973.81-488,292.04

Finding the Fourth Proportional to 855,755.07, 1,180,973.81 and 488,292.04

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Solution

The fourth proportional to 855,755.07, 1,180,973.81 and 488,292.04 is: 673,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,755.07 : 1,180,973.81 = 488,292.04 : x
  2. Step 2: Convert to fraction form
    855,755.07/1,180,973.81 = 488,292.04/x
  3. Step 3: Cross multiply
    855,755.07x = 1,180,973.81 × 488,292.04
  4. Step 4: Simplify right side
    855,755.07x = 576,660,110,871.47
  5. Step 5: Solve for x
    x = 576,660,110,871.47/855,755.07
  6. Step 6: Final answer
    x = 673,861.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.